218719121

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 233238528

約数和(自身を除く): 14519407

約数列:

[1, 23, 71, 151, 887, 1633, 3473, 10721, 20401, 62977, 133937, 246583, 1448471, 3080551, 9509527, 218719121]

約数ペア:

[(1, 218719121), (23, 9509527), (71, 3080551), (151, 1448471), (887, 246583), (1633, 133937), (3473, 62977), (10721, 20401)]